Odin is in fact one of four walruses brought from the Moscow Zoo to the Hagenbeck Zoo in Hamburg. Goo goo goo g'joob, old fellow.

I am the walrus:

Odin is in fact one of four walruses brought from the Moscow Zoo to the Hagenbeck Zoo in Hamburg. Goo goo goo g'joob, old fellow.

Photo: Christian Charisius, AFP/Getty Images

I am the walrus: Odin is in fact one of four walruses brought... Photo-4379559.59206 - SFGate

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I am the egg man:

A Christie's employee holds up a complete sub-fossilized Elephant Bird egg at the London auction house's preview of its April "Travel, Science and Natural History" sale. The egg of the now-extinct Elephant Bird, the largest bird that ever lived, dates back to before the 17th century. It could fetch as much as $45,000.

I am the egg man: A Christie's employee holds up a complete... Photo-4384631.59206 - SFGate

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Do unto udders:

Hallie McCracken squeezes a cow's teat as she and other students at Spottsville Elementary School learn how to milk a cow, grind wheat, plant seed and many other agriculture activities in Spottsville, Ky.

Seleka coalition rebels arrest a suspected looter claiming to a member of their movement outside a ransacked house in Bangui, Central African Republic. The African Union ordered sanctions against rebel leaders who captured the capital over the weekend.

President Obama heads a soccer ball during a White House ceremony honoring Major League Soccer champion LA Galaxy and the Stanley Cup-winning Los Angeles Kings. He declined to throw his body in front of a slapshot, however.

near the Ludington North Breakwater Light. According to the Farmer's Almanac, northern Indian tribes called the March full moon the Crow Moon because the cawing of the crows signaled the end of winter and start of spring.

Some of the "Sensational Butterflies" at the Natural History Museum in London's lepidoptery exhibit make a new friend.

How I met your moth:

Some of the "Sensational Butterflies" at the Natural History Museum in London's lepidoptery exhibit make a new friend.

Photo: Leon Neal, AFP/Getty Images

How I met your moth: Some of the "Sensational... Photo-4379570.59206 - SFGate

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Cruise ship canvas:

Artist Dan Kitchener paints a mural on the decommissioned and decaying ocean liner Duke of Lancaster near Mostyn Docks in North Wales. Kitchener is one of several artists working on the ship, whose owners granted the anarchist group Dudug permission to transform the vessel into an open-air art gallery in hopes of becoming a tourist attraction.